1. Key Laboratory of Medical Molecular Virology, Ministry of Education and Health, and Department of Medical Microbiology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
2. Research Unit, Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, China
3. Institutes of Medical Microbiology and Biomedical Sciences, Fudan University, Shanghai 200032, China